Flexible online glass length measuring device

The invention provides a flexible online glass length measuring device, and relates to the technical field of glass length measurement, and the flexible online glass length measuring device is characterized in that one side of a self-locking part is correspondingly connected with a mounting bracket arranged on a cross beam; the measuring wheel structure is connected with the other side of the self-locking component through at least one first flexible connecting body; the measuring wheel structure is characterized in that the surface of a measuring large wheel is in contact with glass on the surface of the glass conveying belt; the small measuring wheel is arranged above the large measuring wheel, and the surface of the small measuring wheel is in contact with the surface of the large measuring wheel; the encoder is coaxially connected with the small measuring wheel, and the large measuring wheel rotates to drive the small measuring wheel to rotate so as to drive the encoder to send out a pulse signal; and the